Disorder Over Pore Size: Boosting Supercapacitor Efficiency

The urgent need for efficient energy storage systems has spotlighted supercapacitors and nanostructured porous carbon materials. These materials require structural optimization to enhance their performance and lifespan, necessitating advanced design and synthesis techniques. In a recent publication, Forse and co-workers reveal that structural disorder in nanoporous carbon materials significantly enhances their capacitance performance, suggesting that optimizing structural disorder is key to developing high-energy-density supercapacitors. This study innovatively shows that structural disorder in nanoporous carbon materials significantly enhances capacitance performance, surpassing traditional factors like pore size and surface area. The investigation of multiple nanoporous carbons from a range of different suppliers showcases the generalizability of the findings. Annealing treatment further confirms that the capacitance enhancement is due to structural disorder. This discovery guides the design and synthesis of new efficient electrode materials, providing a new direction for the future development of supercapacitors.